OnStar fell into a public-relations black hole earlier this month by announcing some changes to its privacy policy. In a routine email to customers, it said it reserved the right to provide its traffic data to law enforcement, credit card processors and marketers. And it said that unless people asked, OnStar would keep tracking people’s cars even if they canceled the service.

That did not go over well. Several senators piled on, expressing “serious concern” for people’s privacy; Sen. Charles Schumer, D-N.Y., called on the Federal Trade Commission to investigate.

OnStar said it wasn’t actually selling or sharing its data and had no plans to do so, but that wasn’t good enough. It has now revised the policy, promising that if people cancel their OnStar subscriptions, the cellular connection with their cars will automatically be disconnected.

“We regret any confusion or concern we may have caused,” Marshall said.